Chris Clarke writes thrillers under the name Aaron Aalborg and has retired to Costa Rica from New York and bought a house here 6 years ago. His career included international banking. He has degrees in economics and management. In earlier lives he was a Catholic trainee monk; a radical student activist, a Royal Marine Commando, a businessman, a partner in a consulting firm, a professor at a UK business school, an Investment banker and the CEO of a global executive search firm. He has lived in Europe, Asia, New York and Latin America.